code: def _set_inputs(self, inputs):
      super()._set_inputs(inputs)
      self._input = self._inputs[0]
  
file_path: mars/mars/tensor/base/astype.py
imports: import numpy
  from ...None import opcodes
  from ...serialization.serializables import KeyField, StringField
  from ...utils import get_dtype
  from ..array_utils import as_same_device, device
  from ..operands import TensorHasInput, TensorOperandMixin
  from ..utils import get_order
label_desc: Use image node_id 4 for calling the TensorAstype obj's underlying member method code with example usage: obj._set_inputs(inputs) without return types